CVE-2025-38287

IB/cm: Drop lockdep assert and WARN when freeing old msg

MEDIUM
5.5
CVSS Score
Published: July 10, 2025 at 07:42 AM UTC
Updated: August 5, 2026 at 12:44 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: IB/cm: Drop lockdep assert and WARN when freeing old msg The send completion handler can run after cm_id has advanced to another message. The cm_id lock is not needed in this case, but a recent change re-used cm_free_priv_msg(), which asserts that the lock is held and WARNs if the cm_id's currently outstanding msg is different than the one being freed.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.13 ≤ v < 6.15.36.13 ≤ v < 6.161e5159219076ddb2e44338c667c83fd1bd43dfef6.13
Vendor states this is fixed in 7590649ee7af381a9d1153143026dec124c5798e (fixed)
Vendor states this is fixed in fc096a0cd2017cb0aa1e7fb83131410af9283910 (fixed)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.15.3 (unaffected)
Vendor states this is fixed in 6.16 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7590649ee7af381a9d1153143026dec124c5798e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fc096a0cd2017cb0aa1e7fb83131410af9283910

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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